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71964-03-9

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71964-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71964-03-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,6 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71964-03:
(7*7)+(6*1)+(5*9)+(4*6)+(3*4)+(2*0)+(1*3)=139
139 % 10 = 9
So 71964-03-9 is a valid CAS Registry Number.

71964-03-9Downstream Products

71964-03-9Relevant articles and documents

Copper-Catalyzed Additions of Sulfonyl Iodides to Simple and Cyclic Alkenes

Liu, Lilian Kao,Chi, Y.,Jen, Kwan-Yue

, p. 406 - 410 (2007/10/02)

A convenient synthesis for various β-iodo sulfones has been developed.The reaction involves additions of alkane- and arenesulfonyl iodides to simple and cyclic alkenes under the catalytic action of copper(II) chloride.The favored stereochemical results for cyclic alkenes have been rationalized in terms of stepwise addition of both portions of the addend from the diaxial direction.

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